This quiz works best with JavaScript enabled. Home > Grammar > Advanced > Syntax > Valency – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Valency Quiz 4 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which one has the higher valency? A) Ferrous. B) Ferric. C) All the above. D) None of the above. Show Answer Correct Answer: B) Ferric. 2. Sodium A) 1. B) 2. C) 3. D) None of the above. Show Answer Correct Answer: A) 1. 3. Symbol of "iron" A) Ir. B) Pb. C) Fe. D) Fe. Show Answer Correct Answer: C) Fe. 4. What is the charge of Fe (I) A) -1. B) +1. C) +2. D) -2. Show Answer Correct Answer: B) +1. 5. Symbol for phosphite is A) PO3. B) PO4. C) P4. D) P3. Show Answer Correct Answer: A) PO3. 6. In the modern periodic table elements are arranged by: A) Atomic mass. B) Atomic number. C) Valence electrons. D) Number of isotopes. Show Answer Correct Answer: B) Atomic number. 7. The chemical symbol for Iron A) Fe. B) I. C) Fn. D) Zn. Show Answer Correct Answer: A) Fe. 8. Symbol for permanganate is A) K2Cr2O7. B) CrO7. C) MnO4. D) Mn4O. Show Answer Correct Answer: C) MnO4. 9. The valency of which of these elements is NOT '4'? A) Carbon. B) Oxygen. C) Fluorine. D) None of the above. Show Answer Correct Answer: B) Oxygen. 10. Which of the following elements has a negative valency? A) Cu. B) Pb. C) S. D) He. Show Answer Correct Answer: C) S. 11. The electrons involved in chemical bonds are called ..... electrons. A) Valence. B) Ionic. C) Van Der Waals. D) Covalent. Show Answer Correct Answer: A) Valence. 12. How many orbitals are in the f sublevel A) 1. B) 3. C) 5. D) 7. Show Answer Correct Answer: D) 7. 13. The amount of energy needed to change a material from a solid to a liquid state. A) Heat of Solids. B) Heat of Liquids. C) Heat of Fusion. D) Heat of Vaporization. Show Answer Correct Answer: C) Heat of Fusion. 14. Mass number A) Number of protons. B) Number of electrons. C) Number of protons and electrons. D) Number of protons and neutrons. Show Answer Correct Answer: D) Number of protons and neutrons. 15. The particles that are found in the nucleus of an atom are A) Neutrons and electrons. B) Electrons only. C) Protons and neutrons. D) Protons and electrons. Show Answer Correct Answer: C) Protons and neutrons. 16. Name the elements present in Ammonia A) Nitrogen. B) Hydrogen. C) Both nitrogen and hydrogen. D) None of the above. Show Answer Correct Answer: C) Both nitrogen and hydrogen. 17. What is the valency of Copper [II]? A) 1. B) 2. C) 3. D) None of the above. Show Answer Correct Answer: B) 2. 18. Valence electrons in Neon is A) 0. B) 8. C) 6. D) 2. Show Answer Correct Answer: B) 8. 19. Valency of Hydroxide A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 20. Fluorine is in Group 7. It has seven electrons on its outer shell. What is its valency? A) 7. B) 2. C) 1. D) 5. Show Answer Correct Answer: C) 1. 21. Anions are ..... that form ..... ions and ..... electrons. A) Nonmetals, positive, lose. B) Nonmetals, negative, gain. C) Metals, positive, gain. D) Metals, positive, lose. Show Answer Correct Answer: B) Nonmetals, negative, gain. 22. Hg is the chemical symbol for A) Lead. B) Potassium. C) Silver. D) Mercury. Show Answer Correct Answer: D) Mercury. 23. Calculate the valency of magnesium. A) 1. B) 3. C) 4. D) 2. Show Answer Correct Answer: D) 2. 24. All the properties of ionic compounds are correct EXCEPT: A) Force of attraction between a cation and an anion. B) Cation is positive and anion is negative. C) Electrons are shared between the molecules. D) Metals lose electrons which are gained by the non-metals. Show Answer Correct Answer: C) Electrons are shared between the molecules. 25. Hydroxide A) OH1-. B) OH-. C) OH2-. D) OH+. Show Answer Correct Answer: A) OH1-. 26. If an ion gains an electron, it becomes A) Positive. B) Stable. C) Atomic. D) Negative. Show Answer Correct Answer: D) Negative. 27. Which of the following is a tetravalent element? A) Oxygen. B) Hydrogen. C) Nitrogen. D) Carbon. Show Answer Correct Answer: D) Carbon. 28. Valency of lithium is A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 29. ALL anions are A) Metal. B) Transitional Metals. C) Nobel Gases. D) Non-Metal. Show Answer Correct Answer: D) Non-Metal. 30. The symbol for Potassium is A) P. B) K. C) Po. D) Ka. Show Answer Correct Answer: B) K. ← PreviousNext →Related QuizzesAdvanced QuizzesGrammar QuizzesValency Quiz 1Valency Quiz 2Valency Quiz 3Valency Quiz 5Valency Quiz 6Valency Quiz 7Valency Quiz 8Valency Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books